UCD7138DRSR

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Power management integrated circuits (PMICs) are a type of integrated circuits (ICs) dedicated to managing power in systems or components. PMICs are packaged either with discrete components or as a single chip, and these devices provide a wide range of power management functions for the component or system it is connected to.

Gate drivers are a type of PMICs, used to control the switching action of the power switches in a power system. Gate drivers provide the necessary waveforms needed to operate the power switches, such as the gate-source voltage and the gate pulse width.

UCD7138DRSR is a power/protection monitor and gate driver family, designed to provide complete, integrated gate drive and protection on a single chip. The UCD7138DRSR is intended for multi-phase requirements, such as notebook, desktop, workstation and server applications.

The UCD7138DRSR can be used to drive the current up to 25A at the set point output voltage, with the maximum switching frequency of 1.5MHz. The device consists of an integrated power/protection monitor block and an integrated gate driver block, providing the necessary waveforms to drive two power switches.

The power/protection monitor block monitors and controls the output voltage, input voltage, VIL, VIC, load current, and load frequency and provides communication via PMBus. The integrated gate driver block generates the high-side and low side gate pulses required to drive the power switches.

The UCD7138DRSR operates in two different modes – differential and single-ended. In differential mode, the power switches are driven differentially across a voltage differential across the output pins, while in single-ended mode, the power switches are driven by separate PWM outputs. The UCD7138DRSR has a slew rate of up to 25V/nS, making it an ideal driver for fast switching power FETs.

The UCD7138DRSR is suitable for a variety of applications including computing, communications and storage. It can also be used to drive power switches in DC-DC converter designs, industrial motor drives and other high-power applications. The device is also capable of providing protection against overtemperature, short circuit, overcurrent and overvoltage conditions.

In summary, the UCD7138DRSR is a multi-phase power/protection monitor and gate driver family, suitable for a variety of applications including computing, communications and storage. It can provide the necessary waveforms to drive two power switches and also provides protection against various conditions. It is also capable of operating in both differential and single-ended mode, making it an ideal driver for fast switching power FETs.

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